Commitments and Contingencies - Summary of Idled Facilities and Respective Carrying Values (Details) - Property and Equipment, Net $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($) bed
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	7,540
Net Carrying Value | $	$ 217,725
D. Ray James Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	1,900
Date Idled	2021
Net Carrying Value | $	$ 53,946
Moshannon Valley Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	1,878
Date Idled	2021
Net Carrying Value | $	$ 56,470
Rivers Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	1,450
Date Idled	2021
Net Carrying Value | $	$ 40,733
Queens Detention Facility | Secure Services
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	222
Date Idled	2021
Net Carrying Value | $	$ 17,192
McFarland Female Community Reentry Facility | Secure Services
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	300
Date Idled	2020
Net Carrying Value | $	$ 11,975
Perry County Correctional Facility | Secure Services
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	690
Date Idled	2015
Net Carrying Value | $	$ 11,442
Coleman Hall | GEO Care
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	350
Date Idled	2017
Net Carrying Value | $	$ 8,425
Cheyenne Mountain Recovery Center | GEO Care
Commitments and Contingencies [Line Items]
Number of beds in detention facility | bed	750
Date Idled	2020
Net Carrying Value | $	$ 17,542